<?php

/*
 *  Class:      DataMapper
 *  Purpose:    This is the base class where all the Data Mappers are derived.
 *  Date:       April 26, 2013
 */

    abstract class DataMapper {
        protected abstract function findById();
        protected abstract function findAll();
        protected abstract function insert();
        protected abstract function update();
        protected abstract function delete();

    }
?>
